North Symbols and Scale Bars for Maps Created with 'ggplot2' or 'ggmap'

Adds north symbols (18 options) and scale bars in kilometers to maps in geographic or metric coordinates created with 'ggplot2' or 'ggmap'.


News

ggsn 0.3.1

  • New arguments in scalebar function to control the scale bar position when faceting. It is possible to place the scale bar just in one facet.

  • broom package suggested for function's examples.

  • maptools replaced by rgdal for shapfiles reading.

ggsn 0.3.0

  • Functions from grid package are selectively imported.

  • Examples changed to avoid the use of the rgdal package (currently, some users might get "WARNING: no proj_defs.dat in PROJ.4 shared files", using this package).

ggsn 0.2.0

  • 'ggplot2' includaded as a loaded dependency (previoulsy just imported).

  • 'plot' and 'rasterImage' functions imported from graphics.

  • function 'symbols' renamed as 'northSymbols' to avoid masking.

  • function 'theme_bln' renamed as 'blank'.

ggsn 0.1.1

  • First development version.

Reference manual

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install.packages("ggsn")

0.4.0 by Oswaldo Santos Baquero, 7 months ago


https://github.com/oswaldosantos/ggsn


Browse source code at https://github.com/cran/ggsn


Authors: Oswaldo Santos Baquero [aut, cre]


Documentation:   PDF Manual  


Task views: Analysis of Spatial Data


GPL (>= 2) license


Imports png, grid, maptools, graphics

Depends on ggplot2

Suggests rgdal, ggmap, broom


Imported by FLightR.


See at CRAN